style: returns procfs build-in error like other parsing methods

prometheus / procfs

procfs provides functions to retrieve system, kernel and process metrics from the pseudo-filesystem proc.

Apache License 2.0

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style: returns procfs build-in error like other parsing methods #630

Closed weidongkl closed 2 months ago

weidongkl commented 2 months ago

For file parsing errors, procfs defines error ErrFileParse. Other architectures, such as x86 ,arm,mips, use ErrFileParse to return parsing errors. Loong should do this too.